fix: bug preventing apiPath generation when apiId includes letter v

[pearigee]

I corrected the regex in getApiPath and updated the tests so that this failure would be caught in the future.

• Make sure to open an issue as a bug/issue before writing your code! That way we can discuss the change, evaluate designs, and agree on the general idea
• Ensure the tests and linter pass
• Code coverage does not decrease (if any source code was changed)
• Appropriate docs were updated (if necessary)

Fixes #7278 🦕